Extendible snow shovel



FIG. 1 is a front view of an extendible snow shovel embodying my design;

FIG. 2 is a side view of said extendible snow shovel;

FIG. 3 is a rear view of said extendible snow shovel;

FIG. 4 is a top plan view of said extendible snow shovel;

FIG. 5 is a bottom plan view of said extendible snow shovel; and

FIG. 6 is a side view of an extendible snow shovel in an extended position embodying my design. 

The ornamental design for an extendible snow shovel, substantially as shown and described. 